Medical Definition of Sternum. Sternum: The long flat bone in the upper middle of the front of the chest. The sternum articulates (comes together) with the cartilages of the first seven ribs and with the clavicle (collarbone) on either side.
Bowen disease was first described in the medical literature by a physician named JT Bowen in 1912. Bowen disease is also known as squamous cell carcinoma in situ, and is generally considered an early, noninvasive form of intraepidermal squamous cell carcinoma.esions are usually not painful or may not be associated with any symptoms (asymptomatic). In most cases, treatment is highly successful. Bowen disease is considered a pre-cancerous condition, although the risk of developing skin cancer is less than 10 percent. The disorder usually affects older adults.
Bowen's disease is a very early form of squamous cell skin cancer. It is also called squamous cell carcinoma in situ. Doctors call Bowen's disease pre invasive.That means that there are cancer cells there but they are only in the outermost layer of skin, the epidermis. Sometimes it can spread along the skin surface.ne type of Bowen's disease is called bowenoid papulosis. This is associated with infection with a type of genital wart virus called HPV 16. This is one of the types of virus that is also associated with cervical cancer and cancer of the penis.